Features:functions1.Wireless Net ChatIt's perfect audio-chat tool, provides infinite enjoyment2.FM RadioThe headset can be used as FM radio separately, search and lock channels automatically3.Wired EarphoneEquipped with audio cable ,the receiver can be used as a wired earphone4.Wireless MonitoringPlace the emitter near baby, old people and sick people who need care, and the sound of thecared people can be heard with the receiver, for easy careSpecifications:ReceiverFrequency range: 86 - 108 MHzReception Mode: FMdistortion: =<2%EmitterEmission Frequency: 86 +- 0.5MHzModulation Mode: FMEmission Distance: >= 8mPower: 2 x AAA batteries or 4.5 DC (not included)